Update git submodules

* Update docs/submodules/releng from branch 'master'
  to a0e12de944ccee3e889274a35e204dc93098c53f
  - Merge "typo xtesting->functest"
  - typo xtesting->functest

    Change-Id: Ib46567cc30edadb7c1995fbb06e0be7f73045b31
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index ea13cec..a0e12de 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit ea13cec7d0971ad4888e2365a4011964af376e42
+Subproject commit a0e12de944ccee3e889274a35e204dc93098c53f